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Rack::Lint::LintError: Body yielded non-string value # @endtime=# @created_at=# @created_by=nil @description="test1" @context="test2" @recording="test3">:EF[I"H/var/lib/gems/1.9.1/gems/rack-1.5.2/lib/rack/lint.rb:20:in `assert';FI"P/var/lib/gems/1.9.1/gems/rack-1.5.2/lib/rack/lint.rb:649:in `block in each';FI"\/var/lib/gems/1.9.1/gems/dm-core-1.2.1/lib/dm-core/collection.rb:508:in `block in each';FI"d/var/lib/gems/1.9.1/gems/dm-core-1.2.1/lib/dm-core/support/lazy_array.rb:411:in `block in each';FI"[/var/lib/gems/1.9.1/gems/dm-core-1.2.1/lib/dm-core/support/lazy_array.rb:411:in `each';FI"[/var/lib/gems/1.9.1/gems/dm-core-1.2.1/lib/dm-core/support/lazy_array.rb:411:in `each';FI"S/var/lib/gems/1.9.1/gems/dm-core-1.2.1/lib/dm-core/collection.rb:505:in `each';FI"N/var/lib/gems/1.9.1/gems/dm-core-1.2.1/lib/dm-core/model.rb:318:in `each';FI"G/var/lib/gems/1.9.1/gems/rack-1.5.2/lib/rack/lint.rb:647:in `each';FI"G/var/lib/gems/1.9.1/gems/rack-1.5.2/lib/rack/lint.rb:647:in `each';FI"L/var/lib/gems/1.9.1/gems/rack-1.5.2/lib/rack/body_proxy.rb:31:in `each';FI"X/var/lib/gems/1.9.1/gems/shotgun-0.9/lib/shotgun/loader.rb:88:in `proceed_as_child';FI"M/var/lib/gems/1.9.1/gems/shotgun-0.9/lib/shotgun/loader.rb:31:in `call!';FI"L/var/lib/gems/1.9.1/gems/shotgun-0.9/lib/shotgun/loader.rb:18:in `call';FI"M/var/lib/gems/1.9.1/gems/shotgun-0.9/lib/shotgun/favicon.rb:12:in `call';FI"L/var/lib/gems/1.9.1/gems/shotgun-0.9/lib/shotgun/static.rb:14:in `call';FI"J/var/lib/gems/1.9.1/gems/rack-1.5.2/lib/rack/builder.rb:138:in `call';FI"T/var/lib/gems/1.9.1/gems/rack-1.5.2/lib/rack/handler/webrick.rb:60:in `service';FI"?/usr/lib/ruby/1.9.1/webrick/httpserver.rb:138:in `service';FI":/usr/lib/ruby/1.9.1/webrick/httpserver.rb:94:in `run';FI"I/usr/lib/ruby/1.9.1/webrick/server.rb:191:in `block in start_thread';F